private void ButtonLoadDev_Click(object sender, RoutedEventArgs e) { if (AOFilter != null) { OpenFileDialog dialog = new OpenFileDialog(); if (dialog.ShowDialog() == true) { int error = AOFilter.Read_dev_file(dialog.FileName); if (error != 0) //0 = gut { MessageBox.Show(AOFilter.Implement_Error(error)); } devLoaded = error == 0; if (devLoaded) { InitSlidersByAOF(); } } } else { devLoaded = false; } State_AOF_DevLoad(devLoaded); }